131883920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 370262016

約数和(自身を除く): 238378096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 71, 80, 107, 112, 124, 140, 142, 155, 214, 217, 248, 280, 284, 310, 355, 428, 434, 496, 497, 535, 560, 568, 620, 710, 749, 856, 868, 994, 1070, 1085, 1136, 1240, 1420, 1498, 1712, 1736, 1988, 2140, 2170, 2201, 2480, 2485, 2840, 2996, 3317, 3472, 3745, 3976, 4280, 4340, 4402, 4970, 5680, 5992, 6634, 7490, 7597, 7952, 8560, 8680, 8804, 9940, 11005, 11984, 13268, 14980, 15194, 15407, 16585, 17360, 17608, 19880, 22010, 23219, 26536, 29960, 30388, 30814, 33170, 35216, 37985, 39760, 44020, 46438, 53072, 53179, 59920, 60776, 61628, 66340, 75970, 77035, 88040, 92876, 106358, 116095, 121552, 123256, 132680, 151940, 154070, 176080, 185752, 212716, 232190, 235507, 246512, 265360, 265895, 303880, 308140, 371504, 425432, 464380, 471014, 531790, 607760, 616280, 850864, 928760, 942028, 1063580, 1177535, 1232560, 1648549, 1857520, 1884056, 2127160, 2355070, 3297098, 3768112, 4254320, 4710140, 6594196, 8242745, 9420280, 13188392, 16485490, 18840560, 26376784, 32970980, 65941960, 131883920]

約数ペア:

[(1, 131883920), (2, 65941960), (4, 32970980), (5, 26376784), (7, 18840560), (8, 16485490), (10, 13188392), (14, 9420280), (16, 8242745), (20, 6594196), (28, 4710140), (31, 4254320), (35, 3768112), (40, 3297098), (56, 2355070), (62, 2127160), (70, 1884056), (71, 1857520), (80, 1648549), (107, 1232560), (112, 1177535), (124, 1063580), (140, 942028), (142, 928760), (155, 850864), (214, 616280), (217, 607760), (248, 531790), (280, 471014), (284, 464380), (310, 425432), (355, 371504), (428, 308140), (434, 303880), (496, 265895), (497, 265360), (535, 246512), (560, 235507), (568, 232190), (620, 212716), (710, 185752), (749, 176080), (856, 154070), (868, 151940), (994, 132680), (1070, 123256), (1085, 121552), (1136, 116095), (1240, 106358), (1420, 92876), (1498, 88040), (1712, 77035), (1736, 75970), (1988, 66340), (2140, 61628), (2170, 60776), (2201, 59920), (2480, 53179), (2485, 53072), (2840, 46438), (2996, 44020), (3317, 39760), (3472, 37985), (3745, 35216), (3976, 33170), (4280, 30814), (4340, 30388), (4402, 29960), (4970, 26536), (5680, 23219), (5992, 22010), (6634, 19880), (7490, 17608), (7597, 17360), (7952, 16585), (8560, 15407), (8680, 15194), (8804, 14980), (9940, 13268), (11005, 11984)]